void show()
{
	putimage(0, 0, &img_bk);	// 显示背景	
	if (isExpolde == 0)
	{
		putimage(position_x, position_y, &img_planeNormal1, NOTSRCERASE); // 显示正常飞机	
		putimage(position_x, position_y, &img_planeNormal2, SRCINVERT);

		putimage(bullet_x, bullet_y, &img_bullet1, NOTSRCERASE); // 显示子弹	
		putimage(bullet_x, bullet_y, &img_bullet2, SRCINVERT);
		putimage(enemy_x, enemy_y, &img_enemyPlane1, NOTSRCERASE); // 显示敌机	
		putimage(enemy_x, enemy_y, &img_enemyPlane2, SRCINVERT);
	}
	else
	{
		putimage(position_x, position_y, &img_planeExplode1, NOTSRCERASE); // 显示爆炸飞机	
		putimage(position_x, position_y, &img_planeExplode2, SRCINVERT);
	}

	outtextxy(Width * 0.5, High * 0.5, "得分：");
	char s[5];
	sprintf_s(s, "%d", score);
	outtextxy(Width * 0.55, High * 0.5, s);
	FlushBatchDraw();
	Sleep(2);
}
